Boston Marathon logo
BOSTON MARATHON 2023

Mark Whittier

Bib: 16142•M

TX

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 26622
Top 48%
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Division (M55-59)
#0 / 1422
Top 40%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
25:01
Rank: #14367
Start → 5K
25:01 | 8:03/mi
10K· 6.21 mi
50:00
Rank: #14711 (-344)
5K → 10K
24:59 | 8:02/mi
15K· 9.32 mi
1:14:31
Rank: #14314 (+397)
10K → 15K
24:31 | 7:53/mi
20K· 12.43 mi
1:39:25
Rank: #14103 (+211)
15K → 20K
24:54 | 8:01/mi
Half· 13.11 mi
1:44:55
Rank: #14136 (-33)
20K → Half
5:30 | 8:04/mi
25K· 15.53 mi
2:04:11
Rank: #13819 (+317)
Half → 25K
19:16 | 7:57/mi
30K· 18.64 mi
2:29:37
Rank: #13481 (+338)
25K → 30K
25:26 | 8:11/mi
20M
2:40:42
Rank: #13306 (+175)
30K → 20M
11:05 | 8:09/mi
21M
2:49:16
Rank: #13129 (+177)
20M → 21M
8:34 | 8:34/mi
35K· 21.75 mi
2:55:08
Rank: #13031 (+98)
21M → 35K
5:52 | 7:51/mi
23M
3:05:26
Rank: #12918 (+113)
35K → 23M
10:18 | 8:14/mi
24M
3:13:27
Rank: #12849 (+69)
23M → 24M
8:01 | 8:01/mi
40K· 24.85 mi
3:20:27
Rank: #12774 (+75)
24M → 40K
7:00 | 8:11/mi
25.2M
3:23:32
Rank: #12758 (+16)
40K → 25.2M
3:05 | 8:56/mi
Finish· 26.22 mi
3:31:57
Rank: #12792 (-34)
25.2M → Finish
8:25 | 8:16/mi

The Course

Is this your race?

Claim it — unlock a deeper AI report on this race, free

A personalized Race Performance Report that goes beyond this page — emailed to you, built from your real splits.

Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:44:55
Pace8:00 /mi
2nd Half
Distance13.11 mi
Time1:47:02
Pace8:10 /mi
📊Positive Split: 2.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:23:5425:018:0325:01
8:03
-
10K
6.21 mi11:48:5350:008:0324:59
8:02
-0:01
15K
9.32 mi12:13:241:14:318:0024:31
7:53
-0:09
20K
12.43 mi12:38:181:39:258:0024:54
8:01
+0:08
Half
13.11 mi12:43:481:44:558:005:30
8:04
+0:03
25K
15.53 mi13:03:042:04:118:0019:16
7:57
-0:07
30K
18.64 mi13:28:302:29:378:0225:26
8:11
+0:14
20M
20.00 mi13:39:352:40:428:0211:05
8:09
-0:02
21M
21.00 mi13:48:092:49:168:048:34
8:34
+0:25
35K
21.75 mi13:54:012:55:088:035:52
7:51
-0:43
23M
23.00 mi14:04:193:05:268:0410:18
8:14
+0:23
24M
24.00 mi14:12:203:13:278:048:01
8:01
-0:13
40K
24.85 mi14:19:203:20:278:047:00
8:11
+0:10
25.2M
25.20 mi14:22:253:23:328:053:05
8:56
+0:45
Finish
26.22 mi14:30:503:31:578:058:25
8:16
-0:40

Checkpoints & Pacing

📈Pace Line

Pace Progression

Track your pace changes throughout the race. Dot colors mark your quickest to easiest segments, relative to your own pace.

Fastest Pace

7:51 /mi

Average Pace

8:05 /mi

Slowest Pace

8:56 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:28:52

99% of race

Time at Steady Pace

3:05

1% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:05 /mi

Loading chart...
Faster pace (< avg)
Steady pace (≈ avg)
Slower pace (> avg)

🎨Heatmap

Pace Heatmap

Where you sped up and eased off relative to your own pace across the race. Colors are relative to your own range, not to other runners.

Loading...
0mi6.6mi13.1mi19.7mi26.2mi
Pace:
Faster
Steady
Slower

Click or hover over segments to see details

✨Sparklines

Checkpoint Splits with Pace Trends

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi11:23:5425:018:0325:01
8:03
#14367
10K
6.21 mi11:48:5350:008:0324:59
8:02
#14711
15K
9.32 mi12:13:241:14:318:0024:31
7:53
#14314
20K
12.43 mi12:38:181:39:258:0024:54
8:01
#14103
Half
13.11 mi12:43:481:44:558:005:30
8:04
#14136
25K
15.53 mi13:03:042:04:118:0019:16
7:57
#13819
30K
18.64 mi13:28:302:29:378:0225:26
8:11
#13481
20M
20.00 mi13:39:352:40:428:0211:05
8:09
#13306
21M
21.00 mi13:48:092:49:168:048:34
8:34
#13129
35K
21.75 mi13:54:012:55:088:035:52
7:51
#13031
23M
23.00 mi14:04:193:05:268:0410:18
8:14
#12918
24M
24.00 mi14:12:203:13:278:048:01
8:01
#12849
40K
24.85 mi14:19:203:20:278:047:00
8:11
#12774
25.2M
25.20 mi14:22:253:23:328:053:05
8:56
#12758
Finish
26.22 mi14:30:503:31:578:058:25
8:16
#12792
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM55-59Seg. OverallSeg. MalesSeg. M55-59
5K3.11 mi3.11 mi14367100991009913435(Top 50%)9672(Top 64%)9672(Top 680%)
10K6.21 mi3.10 mi14711-34410217-11810217-11815089(Top 57%)10347(Top 68%)10347(Top 728%)
15K9.32 mi3.11 mi14314+39710052+16510052+16513435(Top 50%)9672(Top 64%)9672(Top 680%)
20K12.43 mi3.11 mi14103+2119937+1159937+11513541(Top 51%)9686(Top 64%)9686(Top 681%)
Half13.11 mi0.68 mi14136-339955-189955-1814775(Top 55%)10192(Top 67%)10192(Top 717%)
25K15.53 mi2.42 mi13819+3179800+1559800+15512267(Top 46%)9018(Top 59%)9018(Top 634%)
30K18.64 mi3.11 mi13481+3389635+1659635+16512242(Top 46%)8905(Top 59%)8905(Top 626%)
20M20.00 mi1.36 mi13306+1759552+839552+8311385(Top 43%)8447(Top 56%)8447(Top 594%)
21M21.00 mi1.00 mi13129+1779458+949458+9410866(Top 41%)8063(Top 53%)8063(Top 567%)
35K21.75 mi0.75 mi13031+989397+619397+6110952(Top 41%)8101(Top 53%)8101(Top 570%)
23M23.00 mi1.25 mi12918+1139317+809317+8011359(Top 43%)8160(Top 54%)8160(Top 574%)
24M24.00 mi1.00 mi12849+699273+449273+4411341(Top 43%)8072(Top 53%)8072(Top 568%)
40K24.85 mi0.85 mi12774+759223+509223+5011264(Top 42%)7969(Top 53%)7969(Top 560%)
25.2M25.20 mi0.35 mi12758+169207+169207+1612134(Top 46%)8328(Top 55%)8328(Top 586%)
Finish26.22 mi1.02 mi12792-349194+139194+1313815(Top 52%)9156(Top 60%)9156(Top 644%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 50%
×21stories
+97ft-345ft

Overall

13435

Males

9672

M55-59

9672

5K→10K

3.1 - 6.2 mi

Top 57%
×5stories
+79ft-138ft

Overall

15089

Males

10347

M55-59

10347

10K→15K

6.2 - 9.3 mi

Top 50%
×3stories
+67ft-78ft

Overall

13435

Males

9672

M55-59

9672

15K→20K

9.3 - 12.4 mi

Top 51%
×5stories
+106ft-86ft

Overall

13541

Males

9686

M55-59

9686

20K→Half

12.4 - 13.1 mi

Top 55%
×2stories
+19ft-37ft

Overall

14775

Males

10192

M55-59

10192

Half→25K

13.1 - 15.5 mi

Top 46%
×4stories
+66ft-88ft

Overall

12267

Males

9018

M55-59

9018

25K→30K

15.5 - 18.6 mi

Top 46%
×9stories
+181ft-148ft

Overall

12242

Males

8905

M55-59

8905

30K→20M

18.6 - 20.0 mi

Top 43%
×5stories
+64ft-50ft

Overall

11385

Males

8447

M55-59

8447

20M→21M

20.0 - 21.0 mi

Top 41%
×8stories
+106ft-24ft

Overall

10866

Males

8063

M55-59

8063

21M→35K

21.0 - 21.8 mi

Top 41%
×7stories
+17ft-86ft

Overall

10952

Males

8101

M55-59

8101

35K→23M

21.8 - 23.0 mi

Top 43%
×5stories
+23ft-63ft

Overall

11359

Males

8160

M55-59

8160

23M→24M

23.0 - 24.0 mi

Top 43%
×6stories
+12ft-82ft

Overall

11341

Males

8072

M55-59

8072

24M→40K

24.0 - 24.9 mi

Top 42%
×1story
+6ft-20ft

Overall

11264

Males

7969

M55-59

7969

40K→25.2M

24.9 - 25.2 mi

Top 46%
×1story
+13ft-16ft

Overall

12134

Males

8328

M55-59

8328

25.2M→Finish

25.2 - 26.2 mi

Top 52%
×2stories
+22ft-21ft

Overall

13815

Males

9156

M55-59

9156

Passing Analysis

Category:
Athletes Passed
2553
Passed By
978
Net Change
+1575
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#14367
5K → 10K159503-344#14367#14711
10K → 15K44548+397#14711#14314
15K → 20K28978+211#14314#14103
20K → Half1952-33#14103#14136
Half → 25K33215+317#14136#13819
25K → 30K38244+338#13819#13481
30K → 20M18813+175#13481#13306
20M → 21M19114+177#13306#13129
21M → 35K11012+98#13129#13031
35K → 23M14835+113#13031#12918
23M → 24M10839+69#12918#12849
24M → 40K9520+75#12849#12774
40K → 25.2M3822+16#12774#12758
25.2M → Finish4983-34#12758#12792
TOTALS2553978+1575
📊

Passing Visuals

Category:
Loading...

🔥Passing Intensity

Loading...

🔄Passing Circle

Loading...

🌊Position Flow

Loading...

🏃Race Lanes

Loading...

Upload your GPX file

Supports Garmin, Apple Watch, Polar, Suunto, COROS, Strava, and other apps

.gpx files up to 10MB

Export Track Data

Download your race performance as a GPX or TCX file to import into Strava, Garmin Connect, or other fitness apps.

Questions or issues regarding timing data?

If you notice any discrepancies in your timing data or have questions about your results, our support team can help.

Contact Race Support
Share Feedback

Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing